Home / 456,121.29-629,428.80-252,159.24

Finding the Fourth Proportional to 456,121.29, 629,428.80 and 252,159.24

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Solution

The fourth proportional to 456,121.29, 629,428.80 and 252,159.24 is: 347,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,121.29 : 629,428.80 = 252,159.24 : x
  2. Step 2: Convert to fraction form
    456,121.29/629,428.80 = 252,159.24/x
  3. Step 3: Cross multiply
    456,121.29x = 629,428.80 × 252,159.24
  4. Step 4: Simplify right side
    456,121.29x = 158,716,287,842.11
  5. Step 5: Solve for x
    x = 158,716,287,842.11/456,121.29
  6. Step 6: Final answer
    x = 347,969.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.